[cisco-voip] VG224 issue

Thu Apr 30 08:02:12 EDT 2009

We did not run any alarm or fire systems through the VG224, just didn't
seem like the right thing to do.

Extended power outage = no ability to dial out for those systems.

We do have other devices that have modems but they are not having
issues, older systems running at 9600 or 14.4.

These are the commands that I remember being important when
troubleshooting the problems we had (I think, it's been a while ago):

voice service voip

     modem passthrough nse codec g711ulaw

no ccm-manager fax protocol cisco

mgcp modem passthrough voip mode nse

mgcp fax t38 ecm

mgcp fax t38 inhibit

John

From: Melvin Fong [mailto:mfong at pacific.edu] 
Sent: Wednesday, April 29, 2009 5:37 PM
To: Truelove_John; Matthew Loraditch; Scott Kee; Chris Clouse; Paul;
STEVEN CASPER; Jonathan Charles; Lelio Fulgenzi
Cc: cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] VG224 issue

Did you also experience trouble with modem?  We are having issues with
ones that connect for fire and burglar alarms using Contact ID format.

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Truelove_John
Sent: Wednesday, April 29, 2009 2:30 PM
To: Matthew Loraditch; Scott Kee; Chris Clouse; Paul; STEVEN CASPER;
Jonathan Charles; Lelio Fulgenzi
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] VG224 issue

I had similar issues with our VG224 to begin with like only receiving 1
page,
not connecting to other fax machines, errors in trans/recv of fax.

I had to do the following:

run as pass through on VG224s
disable ECM on all fax machines
disable Super G3 on all fax machines
Set trans/recv. rates to 14.4 or 9600

On remote sites, make sure that they are using G711.

Since I made these changes, we have not had any issues with our fax
machines.

We run in MGCP mode...no problems.

Hope that helps.
John

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net on behalf of Matthew Loraditch
Sent: Wed 4/29/2009 4:31 PM
To: Scott Kee; 'Chris Clouse'; 'Paul'; STEVEN CASPER; Jonathan Charles;
Lelio Fulgenzi
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] VG224 issue

If you can do it change to pass through, I have had massive issues with
Rely and wherever I can I use passthrough and no issues

Matthew Loraditch
1965 Greenspring Drive
Timonium, MD 21093
support at heliontechnologies.com
(p) (410) 252-8830
(F) (443) 541-1593

Visit us at www.heliontechnologies.com
Support Issue? Email support at heliontechnologies.com for fast assistance!

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Scott Kee
Sent: Wednesday, April 29, 2009 4:30 PM
To: 'Chris Clouse'; 'Paul'; STEVEN CASPER; Jonathan Charles; Lelio
Fulgenzi
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] VG224 issue

I am doing fax-relay

-----Original Message-----
From: Chris Clouse [mailto:Chris.Clouse at cdw.com]
Sent: Wednesday, April 29, 2009 3:29 PM
To: Scott Kee; 'Paul'; STEVEN CASPER; Jonathan Charles; Lelio Fulgenzi
Cc: cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] VG224 issue

Are you guys doing fax-relay or fax-passthrough?

~Chris

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Scott Kee
Sent: Wednesday, April 29, 2009 3:20 PM
To: 'Paul'; STEVEN CASPER; Jonathan Charles; Lelio Fulgenzi
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] VG224 issue

How about H323?
I am just having too many issues with MGCP with the fax machines.

-----Original Message-----
From: Paul [mailto:asobihoudai at yahoo.com]
Sent: Wednesday, April 29, 2009 2:41 PM
To: STEVEN CASPER; Jonathan Charles; Lelio Fulgenzi
Cc: Scott Kee; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] VG224 issue

http://www.cisco.com/en/US/docs/ios/12_4t/12_4t2/ht1vg224.html

http://cisco.com/en/US/docs/ios/voice/fxs/configuration/guide/fxssccpspl
mft.html

These two documents should give you plenty of information on how to
configure the FXS ports to be controlled via Skinny.

________________________________
From: STEVEN CASPER <SCASPER at mtb.com>
To: Jonathan Charles <jonvoip at gmail.com>; Lelio Fulgenzi
<lelio at uoguelph.ca>
Cc: Scott Kee <SKee at cmsstl.com>; cisco-voip at puck.nether.net
Sent: Wednesday, April 29, 2009 3:10:17 PM
Subject: Re: [cisco-voip] VG224 issue

 All of our VG224s are MGCP and we have been experiencing  a lot of fax
pain lately ourselves. When we talked to TAC they told us that MGCP or
SCCP makes no difference and that we should change all of our fax
machines to not use Super G and to reduce the speed of the fax machines.
In a company of our size this is just  not going to work.

I am considering changing to SCCP to give it a try. Could someone share
a sanitized SCCP config for a VG224 and what advantages they think there
are to using SCCP as opposed to MGCP? Other than it works better :) I am
going to have to give a couple of technical reasons.

Thanks
Steve

Please consider the impact on our environment before printing this
e-mail.

>>> Lelio Fulgenzi <lelio at uoguelph.ca> 4/27/2009 1:27 PM >>>

I third that opinion. I use SCCP and it was very easy to setup. I think
SCCP debugs are also more helpful (I could be wrong there).

That being said, we are using modem/fax passthrough and have downgraded
our FAXes to 14.4/ECC off.

---
Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
"Bad grammar makes me [sic]" - Tshirt

----- Original Message -----
From: "Jonathan Charles" <jonvoip at gmail.com>
To: "Paul" <asobihoudai at yahoo.com>
Cc: "Scott Kee" <SKee at cmsstl.com>, cisco-voip at puck.nether.net
Sent: Monday, April 27, 2009 1:16:01 PM GMT -05:00 US/Canada Eastern
Subject: Re: [cisco-voip] VG224 issue

Oh, wow, it is MGCP... I didn't even see that...

Yeah, ditto, go with SCCP.

J

On Mon, Apr 27, 2009 at 9:24 AM, Paul <asobihoudai at yahoo.com> wrote:
>
> Personally, I'd ditch the MGCP and use Skinny for the VG224. I've had
a lot more luck and flexibility using Skinny. Make sure you update the
IOS on the VG.
>
> Paul
>
>
> ----- Original Message ----
> From: Scott Kee <SKee at cmsstl.com>
> To: "cisco-voip at puck.nether.net" <cisco-voip at puck.nether.net>
> Sent: Monday, April 27, 2009 8:58:18 AM
> Subject: [cisco-voip] VG224 issue
>
>
> I have VG224 with CM 6.1 and using MGCP.  I have about 18 fax machines
plugged into this Voice Gateway.
> Sometime early March people started complaining that they weren't
receiving faxes from outside.
> They were hearing fast busy signal when outside people send faxes to
the fax machines that were plugged into the VG 224.
> I reloaded VG 224 and power recycled fax machines but it did not make
any difference.
> I called Cisco TAC and worked on the issue for about 20 hours but did
not find any issues.
> We RMA the router but it did not make any difference.  We ended up
removing the VG224 gateway from CM and recreated it.  That seemed fixed
the issues then.
>
> This afternoon, I am seeing exact same issues with VG 224.  It was
working fine till now.
> I did not make any configuration changes on the VG224...
> I am going to call Cisco tomorrow morning but I don't know Cisco is
going to do this time?
> Is this CM issue or VG?
>
> Does anyone experience this issue?
>
> Any help would really appreciated.
>
> Thanks,
>
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